The variables x=24 and y=4 varies directly. How do you write an equation that relates the variables and find y when x=8? Algebra Graphs of Linear Equations and Functions Direct Variation 1 Answer sjc May 28, 2017 #y=x/6# #y=4/3# Explanation: #y# varies directly with #x# #=>y " "alpha" "x# #=>y=kx# #k=" "#constant of proportionality #x=24,y=4# #4=24xxk# #k=1/6# #:.y=x/6# #y=8/6=4/3# Answer link Related questions What is Direct Variation? What does direct variation look like on a graph? What are examples of direct variation? How do you determine if a function is a direct variation when given a table? How do you write direct variation equations? What is the constant of proportionality "k"? Why is #y=2x-1# not a direct variation? How do you graph the direct variation equation #y=-\frac{1}{6}x#? What is the direct variation equation if y varies directly with x, and #y=7.5# when #x=2.5#? What is the direct variation equation if y varies directly with x, and #y=2# when #x=4#? See all questions in Direct Variation Impact of this question 2383 views around the world You can reuse this answer Creative Commons License